public class Example3_5 {
   public static void main(String args[]) {
      long sum = 0,a = 8,item = a,n = 12,i = 1;
      for(i=1;i<=n;i++) {
         sum = sum+item;
         item = item*10+a;
      }
      System.out.println(sum);
   }
}

